Say Hello To Vanilla
Sustained Energy
"The new Vanilla is the perfect mild and sweet flavor to keep me fueled for hours"
No Stomach Drama
"Goes down easy and never upsets my gut."
Perfect Flavor
"The light vanilla flavor doesn’t get old, even after multiple servings."
“The Ferrari of sports-supplement companies.”
“First Endurance produces supplements that deliver on their promise, thanks to clinically proven dosages of endurance boosting ingredients.”
“I'm surprised how good I feel everyday.”
Substantial Carbs Per Hour
“EFS-PRO hits the mark when it comes to easiness on the gut.”
The Best Mix Out There
"Even at 120 grams of carbs per 24 oz, it doesn’t taste overly sweet or strong."
Game Changer
"The new EFS-PRO formula is a game changer!"
Latest Posts
Adaptogens: The Endurance Athlete’s Secret Weapon
By Dr. Luke Bucci, PhD
Adaptogens constitute a catch-all category lumping together various herbs and traditional medicines that have a long history of keeping humans healthy under periods of stress, both physical and mental.
Vincent Bonocci: The Reality of Mono
With Vincent Bonocci
Vincent Bonacci shares his battle with mono, the mental and physical challenges, and the tough road back. An honest look at overcoming the invisible wall and recovery.
The Unbound XL Experience with Rob Britton
With Rob Britton
Fresh off his record-shattering 350-mile Unbound XL win, 40-year-old Rob Britton shares how grit, constant reinvention, and a passion for ultra-distance gravel keep him hungry for the next horizon.
